Our official Japanese journal "Naibunpigaku Zasshi" was first issued in 1925 and renamed as "Nihon Naibunpigaku-kai Zasshi" in 1927. In 1954 the first issue of English official journal "Endocrinologia Japonica" was published continuing to Volume 39 in 1992 and then renamed as the present "Endocrine Journal" from Volume 40 in 1993.